A MANUAL 



OF THE 



BKITISH DISCOMYCETES, 



DISCOMYCETES. Fries. 



Receptacle cupulate, applanate, mitrate, stipitate, 

 sessile, or immersed ; hymenium superior, more or less 

 exposed; substance fleshy, waxy, gelatinous, or rarely 

 cartilaginous; asci cylindrical or clavate, containing 

 usually 8 sporidia (rarely 4, 16, 32, or more). 



Name — From %'htkoq, a disc, and ftu/ojc, a fungus. 



Order I.— HELVELLACEI. Fries. 



Receptacle vertical, stipitate, pileate, mitrate, or clavi- 

 form ; bearing the hymenium on the upper surface, which 

 is always exposed ; substance between fleshy and waxy, 

 rarely gelatinous. 



Name — From the typical genus, Helvetia. 



Arrangement of the Genera. 



I. Morchella. Dill. 



II. Gyromitra. Fries. 

 ITI. Helvella. Fries. 

 IV. Verpa. Swartz. 



V. Leotia. Fries. 



VI. Mitrula. Fries. 

 VII. Spathularia. Pers. 

 VIII. Leptoglosmm. Cooke. 

 IX. Geoglossum. P^rs. 

 X. Rhizina. Fries. 



B 



